Idanre Forest Reserve

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Summary

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Leaflet

• Nigeria-Cameroon chimpanzees (Pan troglodytes ellioti) are present in Idanre Forest Reserve.
• The population size is unknown.
• The chimpanzee population trend is unknown.
• The site has a total size of 540 km².
• Key threats to chimpanzees are logging, hunting, and agricultural activities.
• Conservation activities are not documented.

Site characteristics

Idanre Forest Reserve is located in Ondo state. Only a patch of natural forest remains at the centre of the reserve, smaller than 50 km².

Table 1. Basic site information for Idanre Forest Reserve

Species	'Pan troglodytes ellioti
Area	540 km²
Coordinates	Lat: 6.857147 , Lon: 5.105385
Type of site	Protected area (Forest Reserve)
Habitat types	Agricultural land, Subtropical/tropical heavily degraded former forest, Subtropical/tropical moist lowland forest
Type of governance

IUCN habitat categories Site designations

Ape status

Vocalisations and nests were documented in a 2006 survey (Greengrass 2006).

Table 2. Ape population estimates reported for Idanre Forest Reserve

Species	Year	Occurrence	Encounter or vistation rate (nests/km; ind/day)	Density estimate [ind./ km²] (95% CI)	Abundance estimate (95% CI)	Survey area	Sampling method	Analytical framework	Source	Comments	A.P.E.S. database ID
Pan troglodytes ellioti	2006	Present				Idanre Forest Reserve	Reconnaissance walk		Greengrass 2006	Vocalisations and 3 nests recorded.

Threats

The eastern side of the forest reserve has been converted to teak plantations and farms. The presence of several camps on this side of the reserve indicates a high human population. Logging activity is very high and illegal hunter camps are found throughout the reserve (Greengrass 2006).

Table 3. Threats to apes reported for Idanre Forest Reserve

Category	Specific threats	Threat level	Description	Year of threat
10 Geological events		Absent
12 Other threat		Absent
2 Agriculture & aquaculture	2.1 Annual & perennial non-timber crops	High (more than 70% of population affected)	Farms in the eastern side of the forest reserve (Greengrass 2006).	Ongoing (2006)
2 Agriculture & aquaculture	2.2 Wood & pulp plantations	High (more than 70% of population affected)	Land cleared for teak plantations (Greengrass 2006).	Ongoing (2006)
5 Biological resource use	5.1 Hunting & collecting terrestrial animals	High (more than 70% of population affected)	Illegal huntings camps found scattered throughout the remaining forest (Greengrass 2006).	Ongoing (2006)
5 Biological resource use	5.3 Logging & wood harvesting	High (more than 70% of population affected)	High logging pressure; chainsaws seen and heard frequently during a 2006 survey (Greengrass 2006).	Ongoing (2006)
1 Residential & commercial development		Unknown
3 Energy production & mining		Unknown
4 Transportation & service corridors		Unknown
6 Human intrusions & disturbance		Unknown
7 Natural system modifications		Unknown
8 Invasive & other problematic species, genes & diseases		Unknown
9 Pollution		Unknown
11 Climate change & severe weather		Unknown

IUCN Threats list

Challenges

Table 5. Challenges reported for Idanre Forest Reserve

Challenges	Specific challenges	Source	Year(s)
	Not reported

Enablers

Table 6. Enablers reported for Idanre Forest Reserve

Enablers	Specific enablers	Source	Year(s)
1 Site management
2 Resources and capacity
3 Engaged community
4 Institutional support
5 Ecological context
6 Safety and stability

Documented behaviours

Table 7. Behaviours documented for Idanre Forest Reserve

Behavior	Source
Not reported

References

Greengrass, E.J. (2006). A survey of chimpanzees in south-west Nigeria. Report to the NCF-WCS Biodiversity Research Programme.

Page created by: A.P.E.S. Wiki team Date: NA